Castrol 06484 Edge 10W-30 Full Synthetic Motor Oil - 1 Quart Bottle, Pack of 6 Sold in case packs of 6 Exceeds the world's toughest industry protection standards Unsurpassed engine wear protection that no leading synthetic can beat An advanced proprietary formula that provides performance and protection in extreme conditions such as towing, hauling, high and low temperatures, rapid acceleration and stop and go traffic Guaranteed extended drain interval protection for up to 15,000 miles, or one year, whichever comes first